"provincial centers" is correct and usable in written English.
You can use it to refer to places in a province (a region of a country) that serve as administrative and commercial centers. For example, "The provincial centers of Guangdong province are responsible for implementing state policies and programs."
Those benefits, in turn, would smooth the flow of humanitarian assistance to provincial centers.
Civil affairs teams, based in provincial centers, have their own protection units, which also conduct regular patrols and security operations.
Others end up with relatives, in district and provincial centers, or inside tent cities and shantytowns on the edges of Kabul's sprawl.
Mosques in Banda Aceh and other provincial centers have been packed daily with worshipers praying for the success of an agreement between the Indonesian government and the separatist guerrillas that was signed on May 12.
The city's troubles are symptomatic of a broader economic distress that has gripped once-thriving provincial centers, and that could confront the Kremlin with the first major challenge to its authority since Vladimir V. Putin came to power.
Officials in Kunduz, Zabul, Oruzgan and Farah Provinces, where there has been intense fighting, say the registration teams go to provincial centers and expect police officers from other districts to come to them.
Nine days later, five new black S.U.V.s pulled up to the gates of the Karbala Provincial Center, in southern Iraq.
She suffered a brief illness, according to the order's Provincial Center in Tarrytown, which serves the Northeastern United States.
Logar province, just south of Kabul, inaugurated a "TAPI Park" in the provincial center of Pul-i-Alam Pul-i-Alam Pul-i-Alam
The government in Beirut, just 90 minutes by car from this stunted provincial center in southern Lebanon, has been ambivalent at best toward its newly recovered territory.
Eager to show the world that they had finally "liberated" Khost, Soviet and Afghan authorities brought foreign journalists to the provincial center for a firsthand look.
