diff --git a/include/core/regionmap.h b/include/core/regionmap.h
index 58dc6e35..f403640c 100644
--- a/include/core/regionmap.h
+++ b/include/core/regionmap.h
@@ -21,10 +21,11 @@ class Project;
 
 struct LayoutSquare
 {
+    LayoutSquare() : map_section("MAPSEC_NONE"), x(-1), y(-1), has_map(false) {}
     QString map_section;
     int x;
     int y;
-    bool has_map = false;
+    bool has_map;
 };
 
 struct MapSectionEntry
@@ -54,6 +55,7 @@ public:
 
     void setEntries(tsl::ordered_map<QString, MapSectionEntry> *entries) { this->region_map_entries = entries; }
     MapSectionEntry getEntry(QString section);
+    void setEntry(QString section, MapSectionEntry entry);
 
     void save();
     void saveTilemap();
@@ -98,6 +100,9 @@ public:
     QList<LayoutSquare> getLayout(QString layer);
     void setLayout(QString layer, QList<LayoutSquare> layout);
 
+    QMap<QString, QList<LayoutSquare>> getAllLayouts();
+    void setAllLayouts(QMap<QString, QList<LayoutSquare>> newLayouts);
+
     QStringList getLayers() { return this->layout_layers; }
     void setLayer(QString layer) { this->current_layer = layer; }
     QString getLayer() { return this->current_layer; }
@@ -114,6 +119,10 @@ public:
     int tilemapSize() { return this->tilemap_width * this->tilemap_height; }
     int tilemapBytes();
 
+    int layoutWidth() { return this->layout_width; }
+    int layoutHeight() { return this->layout_height; }
+    void setLayoutDimensions(int width, int height, bool update = true);
+
     int tilemapToLayoutIndex(int index);
 
     TilemapFormat tilemapFormat() { return this->tilemap_format; }
diff --git a/include/ui/regionmapeditor.h b/include/ui/regionmapeditor.h
index e3e53a75..33281672 100644
--- a/include/ui/regionmapeditor.h
+++ b/include/ui/regionmapeditor.h
@@ -97,7 +97,8 @@ private:
     void buildUpdateConfigDialog();
     poryjson::Json buildDefaultJson();
     poryjson::Json getJsonFromAlias(QString alias);
-    bool loadRegionMapData();
+
+    bool modified();
 
     void initShortcuts();
     void displayRegionMap();
@@ -135,6 +136,8 @@ private slots:
     void on_spinBox_RM_Entry_y_valueChanged(int);
     void on_spinBox_RM_Entry_width_valueChanged(int);
     void on_spinBox_RM_Entry_height_valueChanged(int);
+    void on_spinBox_RM_LayoutWidth_valueChanged(int);
+    void on_spinBox_RM_LayoutHeight_valueChanged(int);
     void on_spinBox_tilePalette_valueChanged(int);
     void on_checkBox_tileHFlip_stateChanged(int);
     void on_checkBox_tileVFlip_stateChanged(int);
diff --git a/src/core/regionmap.cpp b/src/core/regionmap.cpp
index b0d17c65..4a9e5a2a 100644
--- a/src/core/regionmap.cpp
+++ b/src/core/regionmap.cpp
@@ -424,6 +424,43 @@ void RegionMap::setLayout(QString layer, QList<LayoutSquare> layout) {
     this->layouts[layer] = layout;
 }
 
+QMap<QString, QList<LayoutSquare>> RegionMap::getAllLayouts() {
+    return this->layouts;
+}
+
+void RegionMap::setAllLayouts(QMap<QString, QList<LayoutSquare>> newLayouts) {
+    this->layouts = newLayouts;
+}
+
+void RegionMap::setLayoutDimensions(int width, int height, bool update) {
+    // for each layer!
+    if (update) {
+        for (QString layer : this->layout_layers) {
+            //
+            QList<LayoutSquare> oldLayout = this->getLayout(layer);
+            QList<LayoutSquare> newLayout;
+
+            for (int y = 0; y < height; y++)
+            for (int x = 0; x < width; x++) {
+                //
+                LayoutSquare newSquare;
+                if (x < this->layout_width && y < this->layout_height) {
+                    // within old layout
+                    int oldIndex = this->get_layout_index(x, y);
+                    newSquare = oldLayout[oldIndex];
+                }
+                newLayout.append(newSquare);
+            }
+            this->setLayout(layer, newLayout);
+        }
+    }
+
+    this->layout_width = width;
+    this->layout_height = height;
+
+    // TODO: commit
+}
+
 QVector<uint8_t> RegionMap::getTiles() {
     QVector<uint8_t> tileIds;
     // unused? remove when redo history is fully transitioned
@@ -546,6 +583,10 @@ MapSectionEntry RegionMap::getEntry(QString section) {
         return MapSectionEntry();
 }
 
+void RegionMap::setEntry(QString section, MapSectionEntry entry) {
+    this->region_map_entries->operator[](section) = entry;
+}
+
 QString RegionMap::palPath() {
     return this->palette_path.isEmpty() ? QString() : this->project->root + "/" + this->palette_path;
 }
diff --git a/src/ui/regionmapeditor.cpp b/src/ui/regionmapeditor.cpp
index bcde453e..9ea3a8cd 100644
--- a/src/ui/regionmapeditor.cpp
+++ b/src/ui/regionmapeditor.cpp
@@ -143,7 +143,7 @@ bool RegionMapEditor::loadRegionMapEntries() {
 }
 
 bool RegionMapEditor::saveRegionMapEntries() {
-    QString regionMapSectionFilepath = QString("%1/%2").arg(this->project->root).arg(this->region_map->entriesPath());
+    QString regionMapSectionFilepath = QString("%1/src/data/region_map/region_map_sections.json").arg(this->project->root);
 
     QFile sectionsFile(regionMapSectionFilepath);
     if (!sectionsFile.open(QIODevice::WriteOnly)) {
@@ -451,11 +451,6 @@ bool RegionMapEditor::load() {
     return true;
 }
 
-bool RegionMapEditor::loadRegionMapData() {
-    // unused
-    // TODO: city maps
-}
-
 bool RegionMapEditor::loadCityMaps() {
     // unused
     // TODO
@@ -464,11 +459,14 @@ bool RegionMapEditor::loadCityMaps() {
 }
 
 void RegionMapEditor::on_action_RegionMap_Save_triggered() {
-    // TODO: save current region map, add "Save All" to save all region maps
+    // TODO: add "Save All" to save all region maps
     // TODO: save the config json as well
     this->region_map->save();
 
     // save entries
+    saveRegionMapEntries();
+
+    // save config
 }
 
 void RegionMapEditor::setCurrentSquareOptions() {
@@ -579,6 +577,17 @@ void RegionMapEditor::updateRegionMapLayoutOptions(int index) {
     this->ui->comboBox_RM_ConnectedMap->blockSignals(true);
     this->ui->comboBox_RM_ConnectedMap->setCurrentText(this->region_map->squareMapSection(index));
     this->ui->comboBox_RM_ConnectedMap->blockSignals(false);
+
+    this->ui->spinBox_RM_LayoutWidth->blockSignals(true);
+    this->ui->spinBox_RM_LayoutHeight->blockSignals(true);
+    this->ui->spinBox_RM_LayoutWidth->setMinimum(1);
+    this->ui->spinBox_RM_LayoutWidth->setMaximum(this->region_map->tilemapWidth() - this->region_map->padLeft());
+    this->ui->spinBox_RM_LayoutHeight->setMinimum(1);
+    this->ui->spinBox_RM_LayoutHeight->setMaximum(this->region_map->tilemapHeight() - this->region_map->padTop());
+    this->ui->spinBox_RM_LayoutWidth->setValue(this->region_map->layoutWidth());
+    this->ui->spinBox_RM_LayoutHeight->setValue(this->region_map->layoutHeight());
+    this->ui->spinBox_RM_LayoutWidth->blockSignals(false);
+    this->ui->spinBox_RM_LayoutHeight->blockSignals(false);
 }
 
 void RegionMapEditor::displayRegionMapEntriesImage() {
@@ -933,8 +942,6 @@ void RegionMapEditor::on_comboBox_RM_ConnectedMap_textActivated(const QString &m
     EditLayout *command = new EditLayout(this->region_map, layer, this->currIndex, oldLayout, newLayout);
     this->region_map->commit(command);
 
-    this->hasUnsavedChanges = true;// TODO: sometimes this is called for unknown reasons
-
     onRegionMapLayoutSelectedTileChanged(this->currIndex);// re-draw layout image
 }
 
@@ -965,7 +972,11 @@ void RegionMapEditor::on_comboBox_layoutLayer_textActivated(const QString &text)
 void RegionMapEditor::on_spinBox_RM_Entry_x_valueChanged(int x) {
     //tryInsertNewMapEntry(activeEntry);
     if (!this->region_map_entries.contains(activeEntry)) return;
+    MapSectionEntry oldEntry = this->region_map_entries[activeEntry];
     this->region_map_entries[activeEntry].x = x;
+    MapSectionEntry newEntry = this->region_map_entries[activeEntry];
+    EditEntry *commit = new EditEntry(this->region_map, activeEntry, oldEntry, newEntry);
+    this->region_map->editHistory.push(commit);
     int idx = this->region_map->getMapSquareIndex(this->region_map_entries[activeEntry].x + this->region_map->padLeft(),
                                                   this->region_map_entries[activeEntry].y + this->region_map->padTop());
     this->region_map_entries_item->select(idx);
@@ -977,7 +988,11 @@ void RegionMapEditor::on_spinBox_RM_Entry_x_valueChanged(int x) {
 void RegionMapEditor::on_spinBox_RM_Entry_y_valueChanged(int y) {
     //tryInsertNewMapEntry(activeEntry);
     if (!this->region_map_entries.contains(activeEntry)) return;
+    MapSectionEntry oldEntry = this->region_map_entries[activeEntry];
     this->region_map_entries[activeEntry].y = y;
+    MapSectionEntry newEntry = this->region_map_entries[activeEntry];
+    EditEntry *commit = new EditEntry(this->region_map, activeEntry, oldEntry, newEntry);
+    this->region_map->editHistory.push(commit);
     int idx = this->region_map->getMapSquareIndex(this->region_map_entries[activeEntry].x + this->region_map->padLeft(),
                                                   this->region_map_entries[activeEntry].y + this->region_map->padTop());
     this->region_map_entries_item->select(idx);
@@ -989,7 +1004,11 @@ void RegionMapEditor::on_spinBox_RM_Entry_y_valueChanged(int y) {
 void RegionMapEditor::on_spinBox_RM_Entry_width_valueChanged(int width) {
     //tryInsertNewMapEntry(activeEntry);
     if (!this->region_map_entries.contains(activeEntry)) return;
+    MapSectionEntry oldEntry = this->region_map_entries[activeEntry];
     this->region_map_entries[activeEntry].width = width;
+    MapSectionEntry newEntry = this->region_map_entries[activeEntry];
+    EditEntry *commit = new EditEntry(this->region_map, activeEntry, oldEntry, newEntry);
+    this->region_map->editHistory.push(commit);
     this->region_map_entries_item->draw();
     this->hasUnsavedChanges = true;
 }
@@ -997,11 +1016,51 @@ void RegionMapEditor::on_spinBox_RM_Entry_width_valueChanged(int width) {
 void RegionMapEditor::on_spinBox_RM_Entry_height_valueChanged(int height) {
     //tryInsertNewMapEntry(activeEntry);
     if (!this->region_map_entries.contains(activeEntry)) return;
+    MapSectionEntry oldEntry = this->region_map_entries[activeEntry];
     this->region_map_entries[activeEntry].height = height;
+    MapSectionEntry newEntry = this->region_map_entries[activeEntry];
+    EditEntry *commit = new EditEntry(this->region_map, activeEntry, oldEntry, newEntry);
+    this->region_map->editHistory.push(commit);
     this->region_map_entries_item->draw();
     this->hasUnsavedChanges = true;
 }
 
+void RegionMapEditor::on_spinBox_RM_LayoutWidth_valueChanged(int value) {
+    //
+    if (this->region_map) {
+        int oldWidth = this->region_map->layoutWidth();
+        int oldHeight = this->region_map->layoutHeight();
+        QMap<QString, QList<LayoutSquare>> oldLayouts = this->region_map->getAllLayouts();
+
+        this->region_map->setLayoutDimensions(this->ui->spinBox_RM_LayoutWidth->value(), this->ui->spinBox_RM_LayoutHeight->value());
+
+        int newWidth = this->region_map->layoutWidth();
+        int newHeight = this->region_map->layoutHeight();
+        QMap<QString, QList<LayoutSquare>> newLayouts = this->region_map->getAllLayouts();
+
+        ResizeLayout *commit = new ResizeLayout(this->region_map, oldWidth, oldHeight, newWidth, newHeight, oldLayouts, newLayouts);
+        this->region_map->editHistory.push(commit);
+    }
+}
+
+void RegionMapEditor::on_spinBox_RM_LayoutHeight_valueChanged(int value) {
+    //
+    if (this->region_map) {
+        int oldWidth = this->region_map->layoutWidth();
+        int oldHeight = this->region_map->layoutHeight();
+        QMap<QString, QList<LayoutSquare>> oldLayouts = this->region_map->getAllLayouts();
+
+        this->region_map->setLayoutDimensions(this->ui->spinBox_RM_LayoutWidth->value(), this->ui->spinBox_RM_LayoutHeight->value());
+
+        int newWidth = this->region_map->layoutWidth();
+        int newHeight = this->region_map->layoutHeight();
+        QMap<QString, QList<LayoutSquare>> newLayouts = this->region_map->getAllLayouts();
+
+        ResizeLayout *commit = new ResizeLayout(this->region_map, oldWidth, oldHeight, newWidth, newHeight, oldLayouts, newLayouts);
+        this->region_map->editHistory.push(commit);
+    }
+}
+
 void RegionMapEditor::on_lineEdit_RM_MapName_textEdited(const QString &text) {
     if (!this->region_map_entries.contains(activeEntry)) return;
     this->region_map_entries[this->ui->comboBox_RM_Entry_MapSection->currentText()].name = text;
@@ -1009,22 +1068,17 @@ void RegionMapEditor::on_lineEdit_RM_MapName_textEdited(const QString &text) {
 }
 
 void RegionMapEditor::on_pushButton_RM_Options_delete_clicked() {
-    // TODO: crashing
     int index = this->region_map->tilemapToLayoutIndex(this->currIndex);
     QList<LayoutSquare> oldLayout = this->region_map->getLayout(this->region_map->getLayer());
-    //this->region_map->resetSquare(this->region_map_layout_item->selectedTile);
     this->region_map->resetSquare(index);
     QList<LayoutSquare> newLayout = this->region_map->getLayout(this->region_map->getLayer());
     EditLayout *commit = new EditLayout(this->region_map, this->region_map->getLayer(), this->currIndex, oldLayout, newLayout);
     commit->setText("Reset Layout Square");
     this->region_map->editHistory.push(commit);
-    //updateRegionMapLayoutOptions(this->region_map_layout_item->selectedTile);
     updateRegionMapLayoutOptions(this->currIndex);
     this->region_map_layout_item->draw();
-    //this->region_map_layout_item->select(this->region_map_layout_item->selectedTile);
     this->region_map_layout_item->select(this->currIndex);
     // ^ this line necessary?
-    this->hasUnsavedChanges = true;
 }
 
 // TODO: check value bounds for current palette?
@@ -1124,7 +1178,7 @@ void RegionMapEditor::resize(int w, int h) {
 
 void RegionMapEditor::on_action_Swap_triggered() {
     // TODO: does this function still work?
-    // TODO: fix for string ids
+    // TODO: fix for string ids not uint8 ids
     QDialog popup(this, Qt::WindowTitleHint | Qt::WindowCloseButtonHint);
     popup.setWindowTitle("Swap Map Sections");
     popup.setWindowModality(Qt::NonModal);
@@ -1204,9 +1258,13 @@ void RegionMapEditor::on_comboBox_CityMap_picker_currentTextChanged(const QStrin
     //< this->cityMapFirstDraw = true;
 }
 
+bool RegionMapEditor::modified() {
+    return this->hasUnsavedChanges || !this->history.isClean();
+}
+
 void RegionMapEditor::closeEvent(QCloseEvent *event)
 {
-    if (this->hasUnsavedChanges) {
+    if (this->modified()) {
         QMessageBox::StandardButton result = QMessageBox::question(
             this,
             "porymap",