nostr:npub1580dhdqk4wjdmjfvhm9vvf64j6zmdt45r8tx3g5faq4plfyunswsw9yj0z It differs between US and UK usage, too. See https://en.wikipedia.org/wiki/St_James%27s_Park

In the US it would be St. James’ Park, but as it’s a singular name, it gets a ’s in the UK.