Athleague is a town on the River Suck in the west of Ireland in County Roscommon, near the town of Roscommon. It is on the junction of the N63 national route and the R357 regional road. The town has a mill, a restored church, and now a visitor centre. The church is the local parish for the surrounding towns. Uniquely, west of the River Shannon.

Athlone is a town that lies on the River Shannon near the southern extremity of Lough Ree, Republic of Ireland.
Athlone, along with Mullingar and Tullamore is one of the largest towns in central Ireland and also the commercial capital of the Irish midlands, and is located close to the geographical centre of Ireland, on the border of two counties, Roscommon and Westmeath, which are in the provinces of Connacht and Leinster respectively. It has a population of 17,544.

Ballaghaderreen is a town in County Roscommon, Republic of Ireland. The town of Ballaghaderreen was located in County Mayo until 1899, when it was transferred to Roscommon by the Local Government (Ireland) Act 1898. Gaelic games supporters are split between those who support Mayo and the local Gaelic Athletic Association team which competes in the Mayo county championship and those who support the Roscommon county team.

Ballinlough is a small town in County Roscommon, Ireland. The N60 national secondary road passes through it. The town is located between Ballyhaunis and Castlerea on the Roscommon to Castlebar road. Lake O'Flynn, which lies north of the town, is notable for brown trout fishing. The lake is also the source of the River Suck

Boyle is a town in County Roscommon, Ireland. It is located at the foot of the Curlew Mountains near Lough Key in the north of the county. The renowned fishing lakes of Lough Arrow and Lough Gara are also close by. The population of the town in 2002 was 2,205.

Castlerea is located in the west of County Roscommon, Republic of Ireland. It is the second largest town in the county with a population of 2842 (as of 2006). Roughly translated from Irish, Castlerea can mean Brindled Castle or King's Castle. The town is built on the River Suck and the River Francis , both tributaries of the River Shannon.

Roscommon is the county town of County Roscommon. Roscommon Golf Club was founded in 1904, the course, set in parklands filled with mature sycamore, beech, whitethorn trees and ash trees, was extended to eighteen holes in 1996 and now measures 6,390 metres (6,900 yards).

Roosky is a village on the River Shannon in County Roscommon, Republic of Ireland in the northern midlands of Ireland, near the point where counties Leitrim, Longford, and Roscommon meet. The N4 road from Dublin to Sligo passes by the Leitrim side of the village.

Strokestown is a town in County Roscommon, Ireland. It is located at the junction of the N5 National primary route and the R368 regional road in the north of the county.

Notable features includes one of the widest streets in Ireland and Strokestown Park House (an 18th century mansion) with the longest herbaceous border in Britain and Ireland. There is a famine museum commemorating the Great Famine of 1845 in the town.

Tulsk is a village in County Roscommon, Ireland. The N5 national primary road passes through it as of 2007, though a by-pass is planned. The village is located between Strokestown and Bellanagare on the Dublin to Castlebar/Westport road.