Flag of Eritrea

Educational illustration shown at 4:3. The reference proportion is 1:2.

How to recognise it

A red triangle reaching from the hoist to the fly between green above and blue below, with a gold olive wreath near the hoist.

Name in the quiz: Eritrea
UN member state name: Eritrea
ISO 3166-1 code: ER
Atlas Play pack: North and East Africa (explorer pack)

Practise the North and East Africa pack Today’s flags

Easily confused with

CubaEritrea: the triangle reaches the fly, green and blue. Cuba: a short triangle on blue and white stripes.
GuyanaEritrea: a red triangle reaching the fly, with a gold wreath. Guyana: a gold arrowhead on green.

Source and checks

Design reference: en.wikipedia.org/wiki/Flag_of_Eritrea (revision 1367781274) (A red isosceles triangle based on the hoist-side pointed towards the fly-side divided into two right triangles where the upper triangle is green and the lower triangle is blue with the Emblem of Eritrea from 1952 to 1995 in yellow, in other words, a vertical olive branch encircled by an olive wreath, centered on the hoist side of the triangle; proportion 1:2). Checked 2026-10-21 by Claude (AI build agent): rendered flag-icons artwork compared side by side with the reference article’s lead image and its infobox design description; no human editorial review yet. Artwork: flag-icons 7.6.0 (package/flags/4x3/er.svg), MIT licence, licence text; sanitised copy sha256 e6cc701d41ae…. Spotted a mistake? Tell us.