Question:
Found money in shul without a simin can I keep it or does the shul keep it מדין חצר קונה
Answer:
It is only considered a חצר if it is protected place, but if the public is allowed to go there, such as in a shul of in the aisle of a store, it will not be konah with חצר.
Sources:
CH:M 268-3.
