Grosvenor is a proper noun, most commonly a surname or place name. It is pronounced with a stress on the first syllable and a non-rhotic vowel in the final syllable, yielding a name-like cadence that can vary by accent. In many contexts, it’s associated with historical estates, titles, and the Grosvenor family, and in modern usage often refers to organizations or locations named Grosvenor. The pronunciation emphasizes the initial G sound followed by a reduced second syllable and an ending that resembles “nor.”
Full pronunciation guide