The Queen's University of Belfast, commonly known as Queen's University Belfast, is a public research university in Belfast, Northern Ireland, United Kingdom. The university received its charter in 1845 as "Queen's College, Belfast", and opened four years later.

Belfast is the capital city and principal port of Northern Ireland, standing on the banks of the River Lagan and connected to the open sea through Belfast Lough and the North Channel. It is second to Dublin as the largest city on the island of Ireland with a population in 2021 of 345,418 and a metro area population of 671,559.