Pottsville is the only city in and the county seat of Schuylkill County, Pennsylvania, United States. The population was 15,549 at the 2000 census. The city lies along the west bank of the Schuylkill River, 97 miles (156 km) north-west of Philadelphia. It is located in Pennsylvania's Coal Region, named for the abundance of anthracite coal.
Pottsville is not to be confused with Pottstown, a borough in Montgomery County approximately 40 miles (64 km) northwest of Philadelphia.
By the Charter of Charles II, by the grace of God, King of England, Scotland and Ireland, Defender of the Faith, to his trustie and well beloved subject, William Penn, Esq., sonne and heire of Sir William Penn, for the Colony of Pennsylvania, the grantee, William Penn, was given power and authority to erect counties, in the following words: "And we do further for us, our heires and successors, give and grant unto the said William Penn, his heirs and assignees, free and absolute power to divide the said countrey and islands into townes, into boroughes and counties, etc.," whereupon William Penn did divide the Province into three counties, Philadelphia, Bucks and Chester.