The Metropolitan Archdiocese of Baltimore is the premier see of the Latin Church of the Catholic Church in the United States. Wikipedia

Cathedral: Cathedral of Mary Our Queen

Established: November 6, 1789; 233 years ago

Parishes: 144

Archbishop: William E. Lori

Auxiliary Bishops: Adam J. Parker; Bruce Lewandowski

Bishops emeritus: Edwin Frederick O'Brien; Denis J. Madden

Territory: The City of Baltimore and nine counties across central and western Maryland