Northern Ireland is part of the United Kingdom, but it's not on the island of Great Britain. So why is it hosting the “British” Open this week?

Open Championship is will feature a talented field competing in Northern Ireland. What to know ahead of the final golf major of the year.

Open Championship golfers and the British Open favorite to win ahead of the year's final major at Royal Portrush

This is about the Open, a championship in its 153rd year. And it’s about Portrush, a seasonal town of 6,000 or so, one with a Ferris wheel and a long swath of beach, and dogs off leashes, and a gem of a links course that’s carved its place in the Open rota. And it’s about Irish golf.

Royal Portrush hosts the 153rd edition of The Open Championship, and Northern Ireland's own Rory McIlroy is among the betting favorites entering the men's final major of the season. But he's not THE favorite.