Southwest Ireland GuideSouthwest Ireland is a region of Ireland. HotelsFind hotels in Killarney, Anascaul and more. CorkCork is situated on the banks of the River Lee in the south of the country. With a city population of 119,418 in 2006 it is the second largest city in the Republic of Ireland, and the third largest in all of Ireland. KillarneyKillarney is a town in southwest Ireland. It is one of Ireland's leading tourist destinations because of the abundant lake and mountain scenery in Killarney National Park. Dingle PeninsulaThe Dingle Peninsula is the smaller and northernmost of the two peninsulas that make up County Kerry, in Southwest Ireland. County CorkCounty Cork, in Southwest Ireland is the largest county in the Republic of Ireland and also the location of the country's second largest city. County KerryCounty Kerry, in Southwest Ireland, is regarded as perhaps the most scenic county in Ireland and is certainly the most renowned for its scenery.