Sherman is a city located in Grayson County, Texas. It is situated in the Sherman-Denison Metropolitan Statistical Area. The City was named after General Sidney Sherman, a hero of the Texas Revolution. General aviation service is provided by Sherman Municipal Airport and North Texas Regional Airport/Perrin Field. The city is connected by two U.S. Highways and three Texas State Highways. Sherman had also become a stop on the Butterfield Overland Mail route through Texas.