This page shows what castles are activated and which guilds own them.

Castle ID Castle Guild
1 Hohenschwangau Super Novice
3 Wuerzburg The Bank
7 Yesnelph Java
12 Holy Shadow Super Novice
15 Kriemhild Super Novice
16 Swanhild The Bank
17 Fadhgridh Seidr
18 Skoegul Seidr
19 Gondul The Bank
24 Himinn Seidr
25 Andlangr The Bank
27 Hljod Seidr