diff --git a/.changeset/dry-waves-promise.md b/.changeset/dry-waves-promise.md
new file mode 100644
index 0000000000..3c24c7d427
--- /dev/null
+++ b/.changeset/dry-waves-promise.md
@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Added Metadium Network.
diff --git a/src/chains/definitions/metadium.ts b/src/chains/definitions/metadium.ts
new file mode 100644
index 0000000000..8eb05e73bd
--- /dev/null
+++ b/src/chains/definitions/metadium.ts
@@ -0,0 +1,21 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const metadium = /*#__PURE__*/ defineChain({
+  id: 11,
+  name: 'Metadium Network',
+  nativeCurrency: {
+    decimals: 18,
+    name: 'META',
+    symbol: 'META',
+  },
+  rpcUrls: {
+    default: { http: ['https://api.metadium.com/prod'] },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Metadium Explorer',
+      url: 'https://explorer.metadium.com',
+    },
+  },
+  testnet: false,
+})
diff --git a/src/chains/index.ts b/src/chains/index.ts
index c7fa45a4a0..c3dc9ca87d 100644
--- a/src/chains/index.ts
+++ b/src/chains/index.ts
@@ -252,6 +252,7 @@ export { meld } from './definitions/meld.js'
 export { merlin } from './definitions/merlin.js'
 export { metachain } from './definitions/metachain.js'
 export { metachainIstanbul } from './definitions/metachainIstanbul.js'
+export { metadium } from './definitions/metadium.js'
 export { metalL2 } from './definitions/metalL2.js'
 export { meter } from './definitions/meter.js'
 export { meterTestnet } from './definitions/meterTestnet.js'