Collocations for castle - noun

grand, great, magnificent, splendid | strong | turreted | historic | ancient, medieval | royal | ruined | fairy/fairy-tale, fantasy

approach
They had to approach the castle through thick swamps.

build, fortify | attack, besiege, lay siege to | capture, seize, take | defend, hold
Edinburgh castle was loyally held in the queen''s name.

perch, stand
The castle perches on a high rocky outcrop.

overlook sth
The castle overlooks the town.

gate, grounds, keep, tower, wall | ruins

in a/the ~