Governor Obiano (APGA) is expected to face stiff competition from Obaze (PDP) and Nwoye (APC).
The state's incumbent governor, Willie Obiano of the All Progressives' Grand Alliance (APGA), will face stiff competition from Oseloka Obaze of the People's Democratic Party (PDP) and Tony Nwoye of the All Progressives' Congress (APC).
Uju Uchendu Ozoka of the Action Alliance (AA) is one of five women contesting for the state's highest political office. Others are Oby Kate Okafor of the Advanced Congress of Democrats (ACD), Adaeze Chizube Okafor of the Advanced Peoples Democratic Alliance (APDA), Praise Okechukwu of the Mega Progressive People's Party (MPPP), and Nnaemeka Ifeoma Ezibe of the Young Progressive Party (YPP).
Of all five, Ozoka is the only one with an all-female ticket with Theresa Nnalue as her running mate. With seven female running mates in total, there are 26 all-male contestants involved in the election.
With the average age of all 37 governorship candidates being 50 years, Ifeanyichukwu Okonkwo of the Action Democratic Party (ADP) is the oldest at 64.
The youngest candidates are Edochie Yul Chibuike of the Democratic People's Congress (DPC), Ndife Franklin Ikenna of the Independent Democratic (ID), Okafor Onyeka Christian of the Masses Movement Of Nigeria (MMN), and Ozoemena Nonso of the Young Democratic Party (YDP), all 35 years old.
Here is a list of all the candidates released by INEC:
Obiano is the incumbent governor of Anambra state and had to overcome internal party politics to retain the APGA's ticket. He's also retained his deputy, Nkemakonam C. Okeke, as his running mate.
With the clear advantage of being the incumbent, he is poised to fend off strong competition and win reelection.
The 62-year-old is one of the election's biggest candidates. He's previously served as a United Nations (UN) diplomat and as Secretary to the State Government of Anambra State for three years under both former Governor Peter Obi and incumbent Governor Obiano.
His running mate, Chidi Onyemelukwe, is also a formidable ally as a graduate of Law from the University of Wales and the daughter of former Vice President, Dr Alex Ekwueme.
With the might of the presidential ruling party behind him, Nwoye is one of the biggest contenders backed to win the race.
The former president of the National Association of Nigerian Students (NANS) failed in his last bid to become Anambra State governor with the PDP, as he came second.
His running mate is Dozie Ikedife Arinze.
Ezeemo is the only major candidate from Anambra south and is considered strong enough to pull off an upset at the poll with his running mate, Prince Leonard Uchendu.
The industrialist contested the state's last governorship election, also with the PPA, but lost at the polls.
Chidoka is a former Minister of Aviation who is committed to transforming the public service in the state to meet the people's hopes and needs.
He is also a notable supporter of the leader of the Indigenous People of Biafra (IPOB), Nnamdi Kanu, as he drove him away from Kuje prison when he was released on bail in April 2017.
He is one of the favourite candidates to win the election with Okeke Marcel Ogbonnaya as his running mate.
The 48-year-old lawyer and publisher emerged as the AA's consensus candidate after her only opponent failed the party's screening exercise.
Her candidacy is the election's only all-female ticket after she chose Theresa Nnalue as her running mate.
Her published works include Women And National Development (French And English), Nigeria Of My Dream, and Nigeria: Towards An Egalitarian Society.
Running on the promise to right the failure of the menfolk to deliver the dividends of democracy to the people, the Nollywood actress turned politician won her party's ticket uncontested and chose Onyekwuluje Chidi Uzoma as her running mate.
The retired Customs Officer has been a vocal voice during the campaign and is one of the seven candidates with a female running mate in Ebele Onyinye Angel.
The indigene of Oghalegbu in Ihiala Local Government Area of Anambra is also running for governor with Francis Amechi Agumadu as his running mate.
At 64, the Nnobi native is the oldest candidate contesting the governorship election with Nnadozie Ndujekwu Ike as his running mate.
The graduate of Fine and Applied Arts from the University of Nigeria Nsukka (UNN) is another one of the five female candidates contesting the Anambra governorship election.
She defeated her rival during APDA's primaries, Izuegbu Chinedu Chima, by 390 to 3 votes. Her running mate is Oguejiofor Franklin.
Nwibe is contesting the governorship election with the youngest running mate on the ballot paper in Okpezune Nnaemeka Kingsley who is 28 years old.
Edochie is one of the most well-known candidates contesting the election as he's a Nollywood actor turned politician.
The Dramatic Arts graduate from the University of Port Harcourt is the son of veteran actor, Pete Edochie, and, as one of the youngest candidates, has vowed to bring an end to the old order of politics that has denied the common people the true dividends of democracy.
Okeke Oluchukwu is his running mate.
The 38-year-old industrialist has promised to create three million jobs in four years if elected. His running mate is Chukwuanu Genevieve Nonye.
Oraegbunam is a vocal critic of Governor Obiano and has promised to run a more transparent administration that'll cater to the common people. His running mate is Arthur Regis Odidika.
The 35-year old farmer was elected unopposed to become his party's flag-bearer and has promised to break the state away from the 'retrogressive system' that has held it back from proper development. His running mate is Nwabude Stephen Jachike.
Okechukwu is another female candidate contesting the election with Ugochukwu Emmanuel Ndubuisi as her running mate.
Abaniwu is a renowned hotelier who is also contesting the election, with Peter Chudi Okoye as his running mate.
The 54-year-old Nnoli has worked for the presidential campaigns of former President Goodluck Jonathan and incumbent, President Muhammadu Buhari (2002-2011), and he believes it is God's wish for him to lead Anambra State.
His running mate is Agbata Martin Ikechukwu.
The 44-year-old believes Anambra needs someone with passion, foresight and strength to take it to the next level of development, and that he represents that perfectly.
His running mate is Okudo Christian Chukwuemeka.
Pastor Modezie, a former bank manager, has promised to ensure that Anambra's children and youths have access to quality education at least from primary to secondary school levels.
He contested for a House of Representatives position in 2011 but lost. His running mate is Chinweze Ogechukwu.
The industrialist and self-acclaimed "servant leader" has promised to transform the state into an economic powerhouse if he's victorious with his running mate, Onyejiaka Norbert Anabalaonye.
Ozoemena is another 35-year-old contestant that considers his candidacy to be a revolution against the old order of Nigerian politics as he's bent on providing the sort of leadership that Anambra deserves.
Ugochukwu Nwofor is his running mate.
Other candidates with very little known about them are:
Running mate: Odiniru Chigozie Faminus
Running mate: Akabike Ifeanyichukwu
Running mate: Eze Nnabuike Ogbonna
Running mate: Clement Chukwuraa Okafor
Running mate: Eric Chijioke Enemo
Running mate: Igboanusi Glory Ugochi
Running mate: Nneka Anasudu
Running mate: Okolie Oliver Elvis
Running mate: Okafor Ejike Samuel
Running mate: Chukwuma Ivan Egeonu
Running mate: Ezeonyirimba Charles Izuchukwu
Running mate: Okoye Obi Vincent
Running mate: Onwuka Osita
Running mate: Okeke Florence Njideka