What chains does Axelar support?

As a cryptocurrency enthusiast, I'm always on the lookout for projects that provide cross-chain interoperability. This begs the question, "What chains does Axelar support?" Given its ambitions to be a universal gateway for blockchains, it's crucial to understand which networks it currently facilitates interoperability between. Is it only a handful of the most popular chains, or does it boast a broader range? The answer to this question will help determine how useful and versatile Axelar truly is for bridging the gap between disparate blockchain ecosystems.