The most common and most likely answer to this crossword clue is the 5 letter word REALM
R
E
A
L
M
More clues leading to the result REALM
- Province in actual centre of Germany
- River near tree bordering a field
- True masculine field of study
- Region is made by cream of Scots holding line
- Mahler composed, not Handel, primarily in this kingdom
- Kingdom having significant millions
- What’s ruled in true metres
- Silver coin added to millions in kingdom
- A lot of papers about large kingdom
- Field that has concrete mass
Buddy explains!

The straight part
We know that "Province" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case province = realm.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does REALM mean?
REALM noun- An abstract sphere of influence, real or imagined.
- The domain of a certain abstraction.
- A scope of operation in networking or security.
- A territory or state, as ruled by a specific power, especially by a king.
- An otherworldly dimension or domain — magical, ethereal, or otherwise — usually ruled or created by a mystical character.
- A taxonomic rank in the phylogeny of viruses, higher than kingdoms.