Gyömrő is a town in Pest county, Budapest metropolitan area, Hungary. The City of Gyömrő is situated in the center of the hilly region of Monor, in the outskirt of the capital city, Budapest. The whole territory of Gyömrő is 26,51 km2, its internal area is 6,45 km2. The number of inhabitants is about 15.290 (in 2008).

Gyömrő is a garden city and is situated 30 kilometers away from the center of Budapest, and 7 kilometers away from the boundary of the Capital and from Ferihegy Airport. The center location of the Gyömrő from the aspect of traffic is outstanding, mainly because the connecting-roads and railway lines of the country, which bond North-, East- and South-Hungary, cross the city. West-Hungary can be reached through Budapest from the settlement. Gyömrő can be easily reached through the number 4 main-road, the M5 motorway, the M0 motor road and it is important that the Budapest-Ferihegy Airport is not far away, it takes only 15–20 minutes to get there.

The first written record of the settlement dates to 1274. In the 15th century it belonged to the estates of the Queen and later became a grace and favour land for loyal noblemen. From the end of the 18th century the Count Teleki family became the main proprietors of the village; they had a significant role in its development over an extended period. The original centre of the settlement grew up next to their estate. During the second half of the 19th century the village centre was moved to the other end of the settlement, where the construction of several buildings, including the town hall, police station and school, signify this development at the turn of the 20th century. Gyömrő was granted city status in 2001.