talking about the 6 geopolitical zone in nigeria and their six natural rulers...i need help as am a bit confused now

1. NORTH CENTRAL (7 States)

Niger, Kogi, Benue, Plateau, Nassarawa, Kwara and the Federal Capital Territory.
EMIR OF SULEIJA

2. NORTH EAST (6 States)

Bauchi, Borno, Taraba, Adamawa, Gombe and Yobe.
EMIR OF MOBIL

3. NORTH WEST (7 States)

Zamfara, Sokoto, Kaduna, Kebbi, Katsina, Kano and Jigawa.
SULTAN OF SOKOTO

4. SOUTH EAST (5 States)

Enugu, Imo, Ebonyi, Abia and Anambra
OBI OF ONITSHA

5. SOUTH SOUTH (6 States)

Bayelsa, Akwa Ibom, Edo, Rivers, Cross River and Delta.
OBA OF BININ

6. SOUTH WEST (6 States)

Oyo, Ekiti, Osun, Ondo, Lagos and Ogun.
OONI OF IFE