JAKARTA, Oct 18 (Reuters) - The presidential candidate of Indonesia's ruling party will announce his choice of running mate on Wednesday, amid last-minute manoeuvring by the country's political heavyweights to shore up alliances ahead of the 2024 election. The world's third-largest democracy is set to vote in February to replace President Joko Widodo or Jokowi, who has served the maximum two terms allowed. Other possible running mates for Ganjar include Bandung city Mayor Ridwan Kamil, Tourism Minister Sandiaga Uno, and former military chief Andika Perkasa, according to party sources. Former Jakarta governor Anies Baswedan is also running for president but trailing in surveys. Reporting by Ananda Teresia; Writing by Kanupriya Kapoor; Editing by Miral FahmyOur Standards: The Thomson Reuters Trust Principles.

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Persons: Joko Widodo, Ganjar Pranowo, Mahfud, Osman Sapta Odang, Prabowo Subianto, Prabowo, Jokowi's, Gibran Rakabuming Raka, Ridwan Kamil, Sandiaga Uno, Andika Perkasa, Megawati Sukarnoputri, Anies Baswedan, Ananda Teresia, Kanupriya Kapoor, Miral Organizations: Indonesian Democratic Party, Struggle, Central Java, Jokowi, Ganjar, Tourism, Sandiaga, PDI, Former Jakarta, Thomson Locations: JAKARTA, Central, Bandung, Mahfud