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"Such a" is a phrase which is often translated as "tal", and "such as" is a preposition which is often translated as "como". Learn more about the difference between "such a" and "such as" below.
such a()
A phrase is a group of words commonly used together (e.g., once upon a time).
a. tal
You went bowling underwater? I've never heard of such a thing.¿Jugaste al boliche bajo el agua? Nunca he escuchado de tal cosa.
such as()
A preposition is a word that indicates the relationship between a noun and another word (e.g., He ran through the door.).
1. (general)
a. como
We visited several cities in the south of Spain, such as Granada, Almeria, and Seville.Visitamos varias ciudades en el sur de España, como Granada, Almería y Sevilla.
b. tal como
He has photographed many animals, such as deer, otters, and bats.Ha fotografiado muchos animales, tales como ciervos, nutrias y murciélagos.