pre·fec·ture 
(prēfĕk′chər)
(prēfĕk′chər)n.
1.
a. The district administered or governed by a prefect.
b. An administrative district of some countries, especially China or Japan.
2. The office or authority of a prefect.
3. The residence or housing of a prefect.
pre·fectur·al (prĭ-fĕkchər-əl) adj.