Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogochian Republic

Comprising of Anglesey at first it controls all of Wales now

Its officially the Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogochian Democratic Federative Republic of Powys, Anglesey, Glamorgan, Gwynned of Wales.

https://www.youtube.com/watch?v=1BXKsQ2nbno&t=92s is the national anthem

Llanfairpwllgyllgogeryndrobwllllantysiliogogogoch is its capital.