vs
QUICK ANSWER
"Situate" is a transitive verb which is often translated as "situar", and "place" is a noun which is often translated as "el lugar". Learn more about the difference between "situate" and "place" below.
situate(
sih
-
chu
-
eyt
)A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
1. (to locate)
a. situar 
The company decided to situate the new store outside the city.La compañía decidió situar la nueva tienda en las afueras de la ciudad.
b. ubicar 
It would be convenient to situate the new airport in the southern part of the city.Sería conveniente ubicar el nuevo aeropuerto en el lado sur de la ciudad.
place(
pleys
)A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).
2. (house)
3. (seat)
a. el asiento (M)
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
Please take your places; the show is about to start.Favor de tomar sus asientos. Dentro de poco empezará la presentación.
4. (position)
c. la posición (F) (rank)
(f) means that a noun is feminine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
He took first place at the tournament.Quedó en primera posición en el torneo.
d.  no direct translation
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
It's not my place to judge you for your actions.No me corresponde a mí juzgar tus acciones.
It's not my place to make that decision.No es mi deber tomar esa decisión.
A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
5. (to put)
a. estimar 
The medical examiner placed the time of death at ten.El forense estimó la hora de muerte a las diez.
7. (commerce)
a. hacer 
Our clients placed a new order at the trade show.Nuestros clientes nos hicieron un pedido en la feria.
9. (to appoint)
a. poner 
Even though I don't have much experience, they placed me as chair of the committee.Si bien no tengo mucha experiencia, me pusieron como jefe del comité.
10. (to assign)
a. poner 
They placed him in an orphanage at the age of three.A los tres años lo pusieron en un orfanato.
a. hacer 
I don't have enough minutes to place a call.No tengo crédito suficiente para hacer una llamada.
An intransitive verb is one that does not require a direct object (e.g., The man sneezed.).
12. (to finish)
c. quedar 
We won the same number of games, but they scored more goals, so we placed second in the tournament.Ganamos la misma cantidad de partidos, pero ellos anotaron más goles, por lo que quedamos segundos en el torneo.