The Trondheim Region is a statistical metropolitan area in the counties of SÃ r-Tr Ã ndelag ( population : 223,363 ) and Nord-Tr Ã ndelag ( 23,388 ) in Norway . The Trondheim Region is a statistical metropolitan region in the counties of SÃ r-Tr Ã ndelag ( population : 235,758 ) and Nord-Tr Ã ndelag ( 24,606 ) in Norway .