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"Estandartes" is a form of "estandarte", a noun which is often translated as "standard". "Banderas" is a form of "bandera", a noun which is often translated as "flag". Learn more about the difference between "estandartes" and "banderas" below.
el estandarte(
ehs
-
tahn
-
dahr
-
teh
)A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
1. (emblem)
a. standard
El estandarte religioso que exhibe esta cofradía en Semana Santa muestra a la Vírgen María.The religious standard that this brotherhood exhibits during Easter shows the Virgin Mary.
b. banner
Los caballeros mostraron con orgullo sus estandartes en el campo de batallaThe knights proudly showed their banners on the battlefield.
la bandera(
bahn
-
deh
-
rah
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
1. (emblem)
a. flag (of a country or an institution)
La bandera de los Estados Unidos es roja, blanca y azul.The flag of the United States is red, white, and blue.
b. colors (of a regiment) (United States)
Regionalism used in the United States
La bandera de nuestro regimiento lideraba la marcha.The colors of our regiment led the way.
c. colours (of a regiment) (United Kingdom)
Regionalism used in the United Kingdom
En el campo de batalla, las banderas de los regimientos se usaban como puntos de reunión.On the battlefield, a regiment's colours were used as rallying points.