Flag of Greece in the context of "National flag"

Greece has competed at every Summer Olympic Games, one of five countries to have done so, and most of the Winter Olympic Games. Greece has hosted the modern Olympic Games twice, both in Athens for the Summer Olympic Games, in 1896 and 2004.

In recognition as the birthplace of the Ancient Olympic Games, Greece always enters the stadium first to lead the Parade of Nations at the opening ceremony, with the notable exception of 2004 when Greece entered last as the host nation. Before each Games, the Olympic Flame is lit in Olympia, the site of the Ancient Olympic Games, in a ceremony that reflects ancient Greek rituals and initiates the Olympic torch relay. The flag of Greece is always hoisted in the closing ceremony, along with the flags of the current and the next host country.

The celebration of the Greek Revolution of 1821 (Greek: Εορτασμός της Ελληνικής Επανάστασης του 1821, romanized: Eortasmós tis Ellinikís Epanástasis tou 1821), less commonly known as Independence Day, takes place in Greece, Cyprus and Greek diaspora centers on 25 March every year, coinciding with the Feast of the Annunciation.

The day is a public holiday in Greece and Cyprus. Usually celebrations include parades and other celebratory events on the same day or its eve. The largest event is the military parade in Athens on 25 March, while on the previous day, celebrations take place throughout the schools of the country. In other municipalities parades of military divisions, students, clubs, etc. are held, as well as church services.

Greek nationalism, otherwise referred to as Hellenic nationalism, refers to the nationalism of Greeks and Greek culture. As an ideology, Greek nationalism originated and evolved in classical Greece. In modern times, Greek nationalism became a major political movement beginning in the early 19th century, which culminated in the Greek War of Independence (1821–1829) against the Ottoman Empire.

Greek nationalism became also a potent movement in Greece shortly prior to, and during World War I, when the Greeks, inspired by the Megali Idea, managed to liberate parts of Greece in the Balkan Wars and after World War I, briefly occupied the region of Smyrna before it was retaken by the Turks.

The coat of arms of Greece (Greek: Εθνόσημο, lit. 'national emblem', [eθˈnosimo] ) comprises a white Greek cross on a blue escutcheon, surrounded by two laurel branches. It has been in use in its current form since 1975. Prior to the adoption of the current coat of arms, Greece used a number of different designs, some of which were not heraldic; the first heraldic design was introduced in 1832 and its main element, the blue shield with the white cross, has been the base for all other national coats of arms since then. The design is a heraldic representation of the Greek national flag adopted in 1822, which featured a white cross on a blue field.

Eleftheria i thanatos (Greek: Ελευθερία ή θάνατος, IPA: [elefθeˈri.a i ˈθanatos]; 'Freedom or Death') is the motto of Greece. It originated in the Greek songs of resistance that were powerful motivating factors for independence. It was adopted in 1814 by the Filiki Eteria, a secret organization formed specifically for the overthrow of Ottoman rule.