-id,name,description
-1,National,
-2,Kanto,
-3,New,Gold/Silver/Crystal Johto dex
-4,Hoenn,
-5,Sinnoh,Diamond/Pearl Sinnoh dex
-6,Sinnoh,Platinum Sinnoh dex: extended version of Diamond and Pearl's
-7,Johto,"Heart Gold/Soul Silver Johto dex: Gold, Silver, and Crystal's Johto dex with five added Generation-IV evolutions of Generation-I and Generation-II Pokémon"
-8,Internal ID,IDs used internally in Generation I
+id,region_id,name,description
+1,,National,Entire National dex
+2,1,Kanto,Red/Blue/Yellow Kanto dex
+3,2,Original Johto,"Gold/Silver/Crystal Johto dex—called the ""New"" Pokédex in-game"
+4,3,Hoenn,Ruby/Sapphire/Emerald Hoenn dex
+5,4,Original Sinnoh,Diamond/Pearl Sinnoh dex
+6,4,Extended Sinnoh,Platinum Sinnoh dex—an extended version of Diamond and Pearl's
+7,2,Updated Johto,"HeartGold/SoulSilver Johto dex—Gold/Silver/Crystal's, extended to add move-based Generation IV evolutions"
+8,1,Internal ID,IDs used internally in Generation I