diff --git a/index.html b/index.html
index 5b71e70a..851fbec9 100644
--- a/index.html
+++ b/index.html
@@ -1313,7 +1313,7 @@
           <button id="regeneratePopulation" data-tip="Click to recalculate rural and urban population">Population</button>
           <button id="regenerateStates" data-tip="Click to select new capitals and regenerate states. Emblems and military forces will be regenerated as well, burgs will remain as they are">States</button>
           <button id="regenerateProvinces" data-tip="Click to regenerate provinces. States will remain as they are">Provinces</button>
-          <button id="regenerateBurgs" data-tip="Click to regenerate all burgs and routes. States will remain as they are">Burgs</button>
+          <button id="regenerateBurgs" data-tip="Click to regenerate all unlocked burgs and routes. States will remain as they are">Burgs</button>
           <button id="regenerateEmblems" data-tip="Click to regenerate all emblems">Emblems</button>
           <button id="regenerateReligions" data-tip="Click to regenerate religions">Religions</button>
           <button id="regenerateCultures" data-tip="Click to regenerate cultures">Cultures</button>
@@ -1972,7 +1972,7 @@
         <button id="burgEditEmblem" data-tip="Edit emblem" class="icon-shield-alt"></button>
         <button id="burgRelocate" data-tip="Relocate burg" class="icon-target"></button>
         <button id="burglLegend" data-tip="Edit free text notes (legend) for this burg" class="icon-edit"></button>
-        <button id="burgLock" data-tip="Lock or Unlock this burg" class="icon-lock-open"></button>
+        <button id="burgLock" class="icon-lock-open"></button>
         <button id="burgRemove" data-tip="Remove non-capital burg. Shortcut: Delete" class="icon-trash fastDelete"></button>
       </div>
     </div>
@@ -3143,7 +3143,7 @@
         <button id="addNewBurg" data-tip="Add a new burg. Hold Shift to add multiple" class="icon-plus"></button>
         <button id="burgsExport" data-tip="Save burgs-related data as a text file (.csv)" class="icon-download"></button>
         <button id="burgNamesImport" data-tip="Rename burgs in bulk" class="icon-upload"></button>
-        <button id="burgsRemoveAll" data-tip="Remove all burgs except for capitals. To remove a capital remove its state first" class="icon-trash"></button>
+        <button id="burgsRemoveAll" data-tip="Remove all unlocked burgs except for capitals. To remove a capital remove its state first" class="icon-trash"></button>
       </div>
     </div>
 
diff --git a/modules/ui/burg-editor.js b/modules/ui/burg-editor.js
index 5068fe1f..10d86583 100644
--- a/modules/ui/burg-editor.js
+++ b/modules/ui/burg-editor.js
@@ -49,6 +49,7 @@ function editBurg(id) {
   document.getElementById("burgRelocate").addEventListener("click", toggleRelocateBurg);
   document.getElementById("burglLegend").addEventListener("click", editBurgLegend);
   document.getElementById("burgLock").addEventListener("click", toggleBurgLockButton);
+  document.getElementById("burgLock").addEventListener("mouseover", showBurgELockTip);
   document.getElementById("burgRemove").addEventListener("click", removeSelectedBurg);
 
   function updateBurgValues() {
@@ -224,12 +225,12 @@ function editBurg(id) {
     for (let i=0; i < group.children.length; i++) {
       burgsInGroup.push(+group.children[i].dataset.id);
     }
-    const burgsToRemove = burgsInGroup.filter(b => !pack.burgs[b].capital);
+    const burgsToRemove = burgsInGroup.filter(b => !(pack.burgs[b].capital || pack.burgs[b].lock));
     const capital = burgsToRemove.length < burgsInGroup.length;
 
     alertMessage.innerHTML = `Are you sure you want to remove
-      ${basic || capital ? "all elements in the group" : "the entire burg group"}?
-      <br>Please note that capital burgs will not be deleted.
+      ${basic || capital ? "all unlocked elements in the group" : "the entire burg group"}?
+      <br>Please note that capital or locked burgs will not be deleted.
       <br><br>Burgs to be removed: ${burgsToRemove.length}`;
     $("#alert").dialog({resizable: false, title: "Remove route group",
       buttons: {
@@ -317,6 +318,11 @@ function editBurg(id) {
 
   }
 
+  function showBurgELockTip() {
+    const id = +elSelected.attr("data-id");
+    showBurgLockTip(id);
+  }
+
   function showStyleSection() {
     document.querySelectorAll("#burgBottom > button").forEach(el => el.style.display = "none");
     document.getElementById("burgStyleSection").style.display = "inline-block";
diff --git a/modules/ui/burgs-overview.js b/modules/ui/burgs-overview.js
index b153c87f..18bc79ce 100644
--- a/modules/ui/burgs-overview.js
+++ b/modules/ui/burgs-overview.js
@@ -86,7 +86,7 @@ function overviewBurgs() {
           <span data-tip="Click to toggle port status" class="icon-anchor pointer${b.port ? '' : ' inactive'}" style="font-size:.9em"></span>
         </div>
         <span data-tip="Edit burg" class="icon-pencil"></span>
-        <span data-tip="Lock Burg" class="locks   ${b.lock ? 'icon-lock' : 'icon-lock-open inactive'}"></span>
+        <span class="locks pointer  ${b.lock ? 'icon-lock' : 'icon-lock-open inactive'}"></span>
         <span data-tip="Remove burg" class="icon-trash-empty"></span>
       </div>`;
     }
@@ -106,6 +106,7 @@ function overviewBurgs() {
     body.querySelectorAll("div > span.icon-star-empty").forEach(el => el.addEventListener("click", toggleCapitalStatus));
     body.querySelectorAll("div > span.icon-anchor").forEach(el => el.addEventListener("click", togglePortStatus));
     body.querySelectorAll("div > span.locks").forEach(el => el.addEventListener("click", toggleBurgLockStatus));
+    body.querySelectorAll("div > span.locks").forEach(el => el.addEventListener("mouseover", showBurgOLockTip));
     body.querySelectorAll("div > span.icon-pencil").forEach(el => el.addEventListener("click", openBurgEditor));
     body.querySelectorAll("div > span.icon-trash-empty").forEach(el => el.addEventListener("click", triggerBurgRemove));
 
@@ -187,6 +188,11 @@ function overviewBurgs() {
     else {this.classList.remove("icon-lock-open"); this.classList.add("icon-lock"); this.classList.remove("inactive");}
   }
 
+  function showBurgOLockTip() {
+    const burg = +this.parentNode.dataset.id;
+    showBurgLockTip(burg);
+  }
+
   function openBurgEditor() {
     const burg = +this.parentNode.dataset.id;
     editBurg(burg);
@@ -467,7 +473,7 @@ function overviewBurgs() {
   }
 
   function triggerAllBurgsRemove() {
-    alertMessage.innerHTML = `Are you sure you want to remove all burgs except of capitals?
+    alertMessage.innerHTML = `Are you sure you want to remove all unlocked burgs except for capitals?
       <br><i>To remove a capital you have to remove a state first</i>`;
     $("#alert").dialog({resizable: false, title: "Remove all burgs",
       buttons: {
diff --git a/modules/ui/cultures-editor.js b/modules/ui/cultures-editor.js
index 70eb0857..67e4618c 100644
--- a/modules/ui/cultures-editor.js
+++ b/modules/ui/cultures-editor.js
@@ -335,7 +335,7 @@ function editCultures() {
   function cultureRegenerateBurgs() {
     if (customization === 4) return;
     const culture = +this.parentNode.dataset.id;
-    const cBurgs = pack.burgs.filter(b => b.culture === culture);
+    const cBurgs = pack.burgs.filter(b => b.culture === culture && !b.lock);
     cBurgs.forEach(b => {
       b.name = Names.getCulture(culture);
       labels.select("[data-id='" + b.i +"']").text(b.name);
diff --git a/modules/ui/editors.js b/modules/ui/editors.js
index f2a848d8..cac16d4c 100644
--- a/modules/ui/editors.js
+++ b/modules/ui/editors.js
@@ -226,6 +226,15 @@ function toggleBurgLock(burg) {
   b.lock = b.lock ? 0 : 1;
 }
 
+function showBurgLockTip(burg) {
+  const b = pack.burgs[burg];
+  if (b.lock) {
+    tip("Click to Unlock burg and allow it to be change by regeneration tools");
+  } else {
+    tip("Click to Lock burg and prevent changes by regeneration tools");
+  }
+}
+
 // draw legend box
 function drawLegend(name, data) {
   legend.selectAll("*").remove(); // fully redraw every time