The most common and most likely answer to this crossword clue is the 8 letter word MANITOBA
I've seen this crossword clue in Financial Times
M
A
N
I
T
O
B
A
More clues leading to the result MANITOBA
- Fad passing across to British province
- Boatman struggling to catch one in Canadian province
- Boatman adrift round island region bordering Hudson Bay
- The old lady rocking boat in lake
- Crew visiting island by boat somehow reaching part of Canada
- Last part of contingent departed in frenzy for region of North America
- Obsession consuming old boy after short time in part of Canada
- Frenzy to squash maggot turning up in Canadian location
- Craze coming over to British part of Canada
- Obsession about to be curtailed in Winnipeg area
Buddy explains!
The straight part
We know that "region bordering Hudson Bay" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case region bordering hudson bay = manitoba.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.