Omagh is traditionally the county town of County Tyrone in Northern Ireland; the counties have been abolished as units of government, so since 2015 Omagh has been part of the Fermanagh and Omagh "super-district". It's a market town with a population of 19,659 in 2011, standing at the confluence of two small rivers that creates the Strule River. It became notorious in 1998 when a car bomb exploded on its crowded main street.
Read more on wikivoyage