Pokemon Diamond & Pearl Version

Welcome to the next generation of Pokemon!

As a rookie Pokemon Trainer, you'll need to catch, train, and battle Pokemon on your journey to become the Pokemon League Champion. You will face many challenges along the way, as you search for the Pokemon that rules time in Pokemon Diamond & Pearl Version.

Discover more than 100 new Pokemon in the Sinnoh Region!
Meet goals and earn the ability to import Pokemon from your GBA Versions!
Battle and Trade with your friends around the world using Nintendo Wi-Fi Connection!
Watch as day turns to night with the return of the real-time clock feature!

There  are 8 gym total in this game
these gym are:

-OREBURGH GYM

Boss: Roark 

Pokemon: 

Geodude lv 12 (Rock/Ground)                                              
Onix lv 12 (Rock/Ground) 

Cranidos lv 14 (Rock)  

-ETERNA GYM

Boss: Gardenia

Pokemon:

Cherubi lv 19 (Grass)

Turtwig lv 19 (Grass)

Roserade lv 22 (Grass/Poison

-VEILSTONE GYM 

Boss: Maylene

Pokemon:

Meditite lv 27 (Psychic/Fighting)

Machoke lv 27 (Fighting)

Lucario lv 30 (Fighting/Steel)

-PASTORA GYM 

Boss: Crasher Wake

Pokemon:

Gyrados lv 27 (Water/Flying)

Quagsire lv 27 (Ground/Water)

Floatzel lv 30 (Water) 

-HEARTHROME GYM 

Boss: Fatina

Pokemon:

Drifblim lv 32 (Ghost/Flying)

Gengar lv 34 (Ghost/Poison) 

Mismagius lv 36 (Ghost)

-CANALAVE GYM

Boss: Byron

Pokemon:

Bronzor lv 36 (Steel/Psychic)

Steelix lv 36 (Steel/Ground)

Bastiodon lv 39 (Steel/Rock)

-SNOWPOINT GYM

Boss: Candice

Pokemon:

Snover lv 38 (Grass/Ice)

Sneasel lv 38 (Dark/Ice)

Medicham lv 40 (Fighting/Psychic)

Abomasnow lv 42 (Grass/Ice)

-SUNYSHORE GYM

Boss: Volkner

Pokemon:

Raichu lv 46 (Electric)

Ambipom lv 47 (Normal)

Octillery lv 47 (Water)

Luxray lv 49 (Electric)

i think that's all for now