diff --git a/apps/api/src/routes/monitors.ts b/apps/api/src/routes/monitors.ts
index cf24334..e481b99 100644
--- a/apps/api/src/routes/monitors.ts
+++ b/apps/api/src/routes/monitors.ts
@@ -42,11 +42,16 @@ export const monitors = new Elysia({ prefix: "/monitors" })
       return { error: `Minimum interval for ${plan} plan is ${limits.minIntervalS}s` };
     }
 
+    // Enforce region limit for plan
+    const regions = body.regions ?? [];
+    if (regions.length > limits.maxRegions) {
+      set.status = 400;
+      return { error: `Free plan allows ${limits.maxRegions} region per monitor. Upgrade to use multi-region.` };
+    }
+
     // SSRF protection
     const ssrfError = await validateMonitorUrl(body.url);
     if (ssrfError) { set.status = 400; return { error: ssrfError }; }
-
-    const regions = body.regions ?? [];
     const [monitor] = await sql`
       INSERT INTO monitors (account_id, name, url, method, request_headers, request_body, timeout_ms, interval_s, query, regions)
       VALUES (
@@ -89,6 +94,12 @@ export const monitors = new Elysia({ prefix: "/monitors" })
       }
     }
 
+    // Enforce region limit for plan
+    if (body.regions && body.regions.length > limits.maxRegions) {
+      set.status = 400;
+      return { error: `Free plan allows ${limits.maxRegions} region per monitor. Upgrade to use multi-region.` };
+    }
+
     // SSRF protection on URL change
     if (body.url) {
       const ssrfError = await validateMonitorUrl(body.url);
diff --git a/apps/api/src/utils/plans.ts b/apps/api/src/utils/plans.ts
index 5f224bb..4adb018 100644
--- a/apps/api/src/utils/plans.ts
+++ b/apps/api/src/utils/plans.ts
@@ -3,20 +3,24 @@ export type Plan = "free" | "pro" | "lifetime";
 export interface PlanLimits {
   maxMonitors: number;
   minIntervalS: number;
+  maxRegions: number;
 }
 
 const PLANS: Record<Plan, PlanLimits> = {
   free: {
     maxMonitors: 10,
     minIntervalS: 30,
+    maxRegions: 1,
   },
   pro: {
     maxMonitors: 200,
     minIntervalS: 2,
+    maxRegions: 99,
   },
   lifetime: {
     maxMonitors: 200,
     minIntervalS: 2,
+    maxRegions: 99,
   },
 };
 
diff --git a/apps/web/src/views/landing.ejs b/apps/web/src/views/landing.ejs
index 7121d92..d07b9ef 100644
--- a/apps/web/src/views/landing.ejs
+++ b/apps/web/src/views/landing.ejs
@@ -507,7 +507,7 @@
             </li>
             <li class="flex items-center gap-2">
               <svg class="w-4 h-4 text-green-400 shrink-0" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7"/></svg>
-              No credit card
+              1 region per monitor
             </li>
           </ul>
         </div>
diff --git a/apps/web/src/views/settings.ejs b/apps/web/src/views/settings.ejs
index 7de7ea7..9fa55ea 100644
--- a/apps/web/src/views/settings.ejs
+++ b/apps/web/src/views/settings.ejs
@@ -6,7 +6,7 @@
   const createdDate = new Date(it.account.created_at).toLocaleDateString('en-US', { year: 'numeric', month: 'long', day: 'numeric' });
   const plan = it.account.plan || 'free';
   const planLabel = { free: 'Free', pro: 'Pro', lifetime: 'Lifetime' }[plan] || plan;
-  const limits = { free: { monitors: 10, interval: '30s' }, pro: { monitors: 200, interval: '2s' }, lifetime: { monitors: 200, interval: '2s' } }[plan] || { monitors: 10, interval: '30s' };
+  const limits = { free: { monitors: 10, interval: '30s', regions: 1 }, pro: { monitors: 200, interval: '2s', regions: 'All' }, lifetime: { monitors: 200, interval: '2s', regions: 'All' } }[plan] || { monitors: 10, interval: '30s', regions: 1 };
 %>
 
 <main class="max-w-3xl mx-auto px-8 py-10 space-y-8">
@@ -35,8 +35,8 @@
           <div class="text-xs text-gray-500">Min Interval</div>
         </div>
         <div>
-          <div class="text-lg font-semibold text-gray-200">2</div>
-          <div class="text-xs text-gray-500">Regions</div>
+          <div class="text-lg font-semibold text-gray-200"><%= limits.regions %></div>
+          <div class="text-xs text-gray-500">Regions / Monitor</div>
         </div>
       </div>
       <% if (plan === 'free') { %>