Diethnes, Sydney’s original Greek restaurant, will serve its last meal on 30 May after 74 years in the city, with the family-run basement institution on Pitt Street forced to close as a major redevelopment claims its block.
The news has hit Sydney’s hospitality community hard. For three generations, the Ventouris family has kept the flame alive in a subterranean dining room that feels more like a relative’s kitchen than a city restaurant, a place where the moussaka arrives the same way it always has, where owner John Ventouris greets regulars by name from the bar, and where the décor has never needed to chase a trend because it never stopped feeling right.
When the doors close at the end of May, a stretch of unbroken family hospitality that began in 1952 comes to an end.
A Migration Story Served on a Plate
The origins of Diethnes are woven into the broader story of Greek migration to Australia. The restaurant first opened in 1952, during a period when Greek migrants were beginning to shape the character of Sydney’s food scene in lasting ways. Its modern chapter began in 1967, when Phillip Ventouris, who had migrated to Australia from the Cyclades, joined the business. He started as a kitchen hand and worked his way to ownership, moving the restaurant to its current Pitt Street address in 1977. In 2000, his son John and John’s wife took over, committing themselves to preserving what Phillip had built rather than reimagining it.
That commitment showed in every detail. The dining room kept its taverna warmth, the menu stayed anchored to roast lamb, moussaka, spanakopita and mezze plates designed for sharing, and the service remained the kind that knows your name. John describes the philosophy simply: the Diethnes experience is built on what Greeks call filotimo and filoxenia, pride and hospitality, and those values guided every service for a quarter century of his tenure.
The Basement That Time Chose Not to Leave
Part of what made Diethnes so distinctive was the venue itself. Tucked below street level, the basement dining room became something of an unofficial refuge from the pace of the city above. The lack of phone signal, which in another context might be a frustration, became one of the restaurant’s most quietly celebrated features among its regulars, who came to regard it as one of the few places in the CBD where a long lunch could unfold without interruption.
The atmosphere drew people from all walks of life over the decades. Members of the band INXS wandered in during John’s early years behind the bar. The restaurant attracted well-known faces from business and public life, drawn by the same combination of reliable food, warm service and the sense of stepping somewhere that operated by its own unhurried rules.
Why the Doors Are Closing
The closure is not a business failure. Diethnes has operated on a month-to-month lease for close to a decade, knowing that a redevelopment of the block was a matter of when, not if. The massive multi-tower redevelopment and retail precinct planned for the site simply has no room for the restaurant in its current form.
Relocating has proven unrealistic. With annual rents for suitable CBD premises running into the hundreds of thousands of dollars, and the cost of fitting out a new venue adding millions more, John reached a conclusion that many long-serving hospitality operators eventually face: the numbers required to start again simply didn’t justify the risk at this stage of his life. He has four children, but none are planning careers in hospitality, .leaving the Diethnes name without a clear successor for the first time in 74 years. While John hasn’t ruled out a revival further down the track, the family is currently focused on a dignified finish.
The broader landscape has shifted too. Foot traffic in the CBD thinned significantly after the pandemic, as working-from-home patterns changed who was in the city and when. Long-standing regulars aged out or moved on. John acknowledges the dining culture itself has changed around him, with quick ordering and phone-forward table habits replacing the kind of unhurried, conversation-centred meals that Diethnes was built for.
Business Sydney executive director Paul Nicolaou captured the sentiment around the closure when he described Diethnes as part of the story of Greek migration to Australia, a venue that helped shape Sydney’s hospitality scene at a time when migrant communities were establishing themselves and contributing to the city’s character. His view that Sydney is losing a piece of its soul reflects what many longtime customers already feel.
One Last Chance to Go Downstairs
Diethnes at 336 Pitt Street, Sydney, is open for lunch Tuesday to Saturday from noon and for dinner Tuesday to Saturday from 5.30pm, with final service on 30 May 2026. Bookings can be made via the restaurant’s website at diethnes.com.au or by phone on (02) 9267 8956.
Published 17-April-2026
