'Realm' in the Bible

And in all matters of wisdom and understanding, that the king inquired of them, he found them ten times better than all the magicians and astrologers that were in all his realm.

Then this Daniel was preferred above the presidents and princes, because an excellent spirit was in him; and the king thought to set him over the whole realm.

In the first year of Darius the son of Ahasuerus, of the seed of the Medes, which was made king over the realm of the Chaldeans;

And now will I shew thee the truth. Behold, there shall stand up yet three kings in Persia; and the fourth shall be far richer than they all: and by his strength through his riches he shall stir up all against the realm of Grecia.