Does a european embassy count as EU?
However, the land on which an embassy is situated remains under the sovereignty of the host country, not the country that the embassy represents. The host country retains ultimate control over the land, although it must respect the embassy's independence and immunities. Diplomatic premises are subject to the laws of the host country to a certain extent, but with significant exceptions that allow the embassy to function as a representation of its home country's government.
The answer to your question is no.