alrededor
Alrededor is a Spanish word with two principal uses. As an adverb or preposition, it means around or about and is used to indicate a physical perimeter, a vicinity, or an approximate quantity. When followed by de, as in alrededor de, it introduces the thing being referred to: alrededor de la casa, alrededor de 120 personas, alrededor de las doce. It can also function as a noun in the plural, los alrededores, referring to the area surrounding a place—the outskirts or environs. Examples include caminar alrededor de la plaza and los alrededores de la ciudad are common phrases.
Etymology and related forms contribute to its meanings. The form appears to come from a + rededor,
Usage notes and variants. In spoken Spanish, alrededor de is the standard construction to cite approximate