Electra or Elektra is a Greek

Ancient Greece

Ancient Greece is a civilization belonging to a period of Greek history that lasted from the Archaic period of the 8th to 6th centuries BC to the end of antiquity. Immediately following this period was the beginning of the Early Middle Ages and the Byzantine era. Included in Ancient Greece is the...

 tragedy

Tragedy

Tragedy is a form of art based on human suffering that offers its audience pleasure. While most cultures have developed forms that provoke this paradoxical response, tragedy refers to a specific tradition of drama that has played a unique and important role historically in the self-definition of...

 by Sophocles

Sophocles

Sophocles is one of three ancient Greek tragedians whose plays have survived. His first plays were written later than those of Aeschylus, and earlier than or contemporary with those of Euripides...

. Its date is not known, but various stylistic similarities with the Philoctetes

Philoctetes

Philoctetes or Philocthetes according to Greek mythology, the son of King Poeas of Meliboea in Thessaly. He was a Greek hero, famed as an archer, and was a participant in the Trojan War. He was the subject of at least two plays by Sophocles, one of which is named after him, and one each by both...

(409 BC

409 BC

Year 409 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Cossus and Medullinus...

) and the Oedipus at Colonus

Oedipus at Colonus

Oedipus at Colonus is one of the three Theban plays of the Athenian tragedian Sophocles...

(401 BC

401 BC

Year 401 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Tribunate of Potitus, Cossus, Camillus, Ambustus, Mamercinus and Iullus...

) lead scholars to suppose that it was written towards the end of Sophocles' career.

Set in the city of Argos

Argos

Argos is a city and a former municipality in Argolis, Peloponnese, Greece. Since the 2011 local government reform it is part of the municipality Argos-Mykines, of which it is a municipal unit. It is 11 kilometres from Nafplion, which was its historic harbour...

 a few years after the Trojan war

Trojan War

In Greek mythology, the Trojan War was waged against the city of Troy by the Achaeans after Paris of Troy took Helen from her husband Menelaus, the king of Sparta. The war is among the most important events in Greek mythology and was narrated in many works of Greek literature, including the Iliad...

, it is based around the character of Electra

Electra

In Greek mythology, Electra was an Argive princess and daughter of King Agamemnon and Queen Clytemnestra. She and her brother Orestes plotted revenge against their mother Clytemnestra and stepfather Aegisthus for the murder of their father Agamemnon...

, and the vengeance that she and her brother Orestes

Orestes

Orestes was the son of Agamemnon in Greek mythology; Orestes may also refer to:Drama*Orestes , by Euripides*Orestes, the character in Sophocles' tragedy Electra*Orestes, the character in Aeschylus' trilogy of tragedies, Oresteia...

 take on their mother Clytemnestra

Clytemnestra

Clytemnestra or Clytaemnestra , in ancient Greek legend, was the wife of Agamemnon, king of the Ancient Greek kingdom of Mycenae or Argos. In the Oresteia by Aeschylus, she was a femme fatale who murdered her husband, Agamemnon – said by Euripides to be her second husband – and the Trojan princess...

 and step father Aegisthus

Aegisthus

In Greek mythology, Aegisthus was the son of Thyestes and of Thyestes' daughter, Pelopia....

 for the murder of their father, Agamemnon

Agamemnon

In Greek mythology, Agamemnon was the son of King Atreus and Queen Aerope of Mycenae, the brother of Menelaus, the husband of Clytemnestra, and the father of Electra and Orestes. Mythical legends make him the king of Mycenae or Argos, thought to be different names for the same area...

.
When King Agamemnon

Agamemnon

In Greek mythology, Agamemnon was the son of King Atreus and Queen Aerope of Mycenae, the brother of Menelaus, the husband of Clytemnestra, and the father of Electra and Orestes. Mythical legends make him the king of Mycenae or Argos, thought to be different names for the same area...

 returns from the Trojan War

Trojan War

In Greek mythology, the Trojan War was waged against the city of Troy by the Achaeans after Paris of Troy took Helen from her husband Menelaus, the king of Sparta. The war is among the most important events in Greek mythology and was narrated in many works of Greek literature, including the Iliad...

 with his new concubine, Cassandra

Cassandra

In Greek mythology, Cassandra was the daughter of King Priam and Queen Hecuba of Troy. Her beauty caused Apollo to grant her the gift of prophecy...

, his wife Clytemnestra

Clytemnestra

Clytemnestra or Clytaemnestra , in ancient Greek legend, was the wife of Agamemnon, king of the Ancient Greek kingdom of Mycenae or Argos. In the Oresteia by Aeschylus, she was a femme fatale who murdered her husband, Agamemnon – said by Euripides to be her second husband – and the Trojan princess...

 (who has taken Agamemnon's cousin Aegisthus

Aegisthus

In Greek mythology, Aegisthus was the son of Thyestes and of Thyestes' daughter, Pelopia....

 as a lover) kills them.