The names, in Spanish, seem to suggest they are part of Venezuela, Carl Greenidge said Monday.
"We have to get technical advice to get Google to remedy it. We have to see how Google can be made to be responsible. Maybe they are not aware," he told reporters.
Greenidge noted that Google Maps has labelled a major road in the disputed coastal region of Essequibo Av. 100 Bolivar rather than Essequibo Coast Public Road or Anna Regina Public Road, as Guyanese call it. A perpendicular road was labelled Calle 100 Guyana.
Streets have English names in Guyana, a former British colony, as opposed to those in neighbouring Spanish-speaking Venezuela.
Greenidge said Guyana would pursue a court order if necessary.
"It has implications for more than Guyana because if a country's leadership can wake up one morning and decide that their borders run from Alaska to the Cape of Good Hope, for example, and they can simply just tell Google this and...those people will implement it, then it's a recipe for chaos," he said.
Venezuela has long had claims on the Essequibo region.
Earlier this year, its President Nicolas Maduro issued decrees extending Venezuelan maritime boundaries to include the seas off the Essequibo region, which include oil reserves currently being explored by US oil giant ExxonMobil.
The Essequibo makes up two thirds of the territory of Guyana. South America's only English-speaking nation maintains that valid land borders were set in 1899 by an arbitration court decision, a decision Venezuela has never recognized.
Last month, Maduro met with UN Secretary General Ban Ki-moon to seek UN support for mediation.
But Guyana claims the long-standing UN-led mediation process meant to resolve the dispute has yielded little results and that its neighbour is using the delays to its advantage.
Guyana's President David Granger instead called for a definitive legal settlement of the dispute in the Hague.
Ban has since dispatched a fact-finding mission to Caracas and Georgetown.Get your daily dose of tech news, reviews, and insights, in under 80 characters on Gadgets 360 Turbo. Connect with fellow tech lovers on our Forum. Follow us on X, Facebook, WhatsApp, Threads and Google News for instant updates. Catch all the action on our YouTube channel.
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