The most common and most likely answer to this crossword clue is the 7 letter word EMIRATE
I've seen this crossword clue in The Sunday Telegraph
E
M
I
R
A
T
E
More clues leading to the result EMIRATE
- Leave one’s countryfor this territory?
- European move abroad to unseat good foreign government
- Take me up and away from crazy region in the Middle East
- Move to another country, avoiding Greek capital and Dubai, say
- Leave the country, missing golf in Dubai?
- Letter and old poem about Islamic territory
- Move abroad, good to go, coming to this country?
- English couple acquires Irish land in Gulf
- English motorway charge for land in east
- Islamic State overturns Middle East up in arms
Buddy explains!

The straight part
We know that "Land in Middle East" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case land in middle east = emirate.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 EMIRATE mean?
EMIRATE noun- A country ruled by an emir.
- The office of an emir.