diff --git a/.changeset/spicy-cooks-smoke.md b/.changeset/spicy-cooks-smoke.md
new file mode 100644
index 00000000000..ad324897643
--- /dev/null
+++ b/.changeset/spicy-cooks-smoke.md
@@ -0,0 +1,5 @@
+---
+"thirdweb": minor
+---
+
+add berachain and berachain testnet in chains package
diff --git a/packages/thirdweb/src/chains/chain-definitions/berachain-bepolia.ts b/packages/thirdweb/src/chains/chain-definitions/berachain-bepolia.ts
new file mode 100644
index 00000000000..5d6a8fd83ef
--- /dev/null
+++ b/packages/thirdweb/src/chains/chain-definitions/berachain-bepolia.ts
@@ -0,0 +1,17 @@
+import { defineChain } from "../utils.js";
+
+/**
+ * @chain
+ */
+export const berachainBepolia = /* @__PURE__ */ defineChain({
+  id: 80069,
+  name: "Berachain Bepolia",
+  nativeCurrency: { name: "BERA", symbol: "BERA", decimals: 18 },
+  blockExplorers: [
+    {
+      name: "beratrail",
+      url: "https://bepolia.beratrail.io/",
+    },
+  ],
+  testnet: true,
+});
diff --git a/packages/thirdweb/src/chains/chain-definitions/berachain.ts b/packages/thirdweb/src/chains/chain-definitions/berachain.ts
new file mode 100644
index 00000000000..b86af27b83f
--- /dev/null
+++ b/packages/thirdweb/src/chains/chain-definitions/berachain.ts
@@ -0,0 +1,17 @@
+import { defineChain } from "../utils.js";
+
+/**
+ * @chain
+ */
+export const berachain = /* @__PURE__ */ defineChain({
+  id: 80094,
+  name: "Berachain",
+  nativeCurrency: { name: "BERA", symbol: "BERA", decimals: 18 },
+  blockExplorers: [
+    {
+      name: "berascan",
+      url: "https://berascan.com/",
+      apiUrl: "https://api.berascan.com/api",
+    },
+  ],
+});
diff --git a/packages/thirdweb/src/exports/chains.ts b/packages/thirdweb/src/exports/chains.ts
index f1ea4357358..8c4271be4c4 100644
--- a/packages/thirdweb/src/exports/chains.ts
+++ b/packages/thirdweb/src/exports/chains.ts
@@ -83,3 +83,5 @@ export { soneiumMinato } from "../chains/chain-definitions/soneium-minato.js";
 export { treasure } from "../chains/chain-definitions/treasure.js";
 export { treasureTopaz } from "../chains/chain-definitions/treasureTopaz.js";
 export { monadTestnet } from "../chains/chain-definitions/monad-testnet.js";
+export { berachain } from "../chains/chain-definitions/berachain.js";
+export { berachainBepolia } from "../chains/chain-definitions/berachain-bepolia.js";