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"Dónde está" is a form of "dónde está", a phrase which is often translated as "where is". "Su nombre" is a phrase which is often translated as "his name". Learn more about the difference between "su nombre" and "dónde está" below.
su nombre(
soo
nohm
-
breh
)A phrase is a group of words commonly used together (e.g., once upon a time).
a. his name
¿Conoces a ese hombre? - Sí. Su nombre es Alberto.Do you know that man? - Yes. His name is Alberto.
b. her name
Su nombre es Sabrina, pero no recuerdo su apellido.Her name is Sabrina, but I can't remember her last name.
c. its name
En el zoológico hay un oso polar. Su nombre es Copo de nieve.There's a polar bear in the zoo. It's name is Snowflake.
2. (formal) (second person singular)
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
dónde está(
dohn
-
deh
ehs
-
tah
)A phrase is a group of words commonly used together (e.g., once upon a time).
a. where it is
Estoy seguro que te presté mi libro. Trata de recordar dónde está.I'm sure I lent you my book. Try to remember where it is.
b. where he is (masculine)
¿Cuándo hablaste con él por última vez? Nadie sabe dónde está.When was the last time you talked to him? No one knows where he is.
c. where she is (feminine)
Si me dices dónde está, te voy a deber un favor.If you tell me where she is, I'll owe you a favor.
