ARK D-0 — Tito's Cold War Bunker in Konjic (Visitor Guide)

ARK D-0 — full name Atomska Ratna Komanda Direktive 0 (“Atomic War Command, Directive 0”) — is the underground nuclear-war command bunker that Tito built in total secrecy 1953–1979 to shelter Yugoslav leadership for 6 months of full nuclear war. Cost ~$4.6 billion in today’s money. Declassified 1992. Opened as a museum 2011.

It is the most unusual museum in Bosnia & Herzegovina, and worth the day trip from Mostar for two reasons:

1. The engineering. Almost nothing in the visitor experience has been modernised. The President’s office, the air-filter complex, the dormitories, the operating theatre, the decontamination chambers — all preserved as they were when the Yugoslav Army withdrew in 1991. The infrastructure is genuinely impressive: redundant power, six-month food storage, hermetically sealed blast doors, a buried command-and-control radio antenna. You can see how seriously Yugoslavia took the Cold War.

2. The Biennale of Contemporary Art. Since 2011 the bunker has doubled as a permanent contemporary-art venue. Works are installed throughout the corridors and rooms — some reference the Cold War directly, others use the brutalist concrete-and-steel architecture as a backdrop. The combination shouldn’t work but does: the austerity of the bunker and the often-playful art create a tension you don’t get at conventional museums.

What you see on the tour

Tours run 90 minutes and cover ~1.5 km of underground passages over four levels. Standard route:

• Block A — entrance, Cold War briefing, dressing-up area where leaders would have entered
• President’s office — Tito’s chair and desk preserved; small private quarters next door
• Command room — the operations centre with original maps and Yugoslav-era radio equipment
• Signal centre — communications hub, encrypted teletype machines
• Dormitories — bunk-bed rooms for 350 personnel, six months’ worth of life
• Air-filter hall — the engineering marvel: massive ventilation system with NBC (nuclear-biological-chemical) filters
• Operating theatre — fully equipped underground hospital
• Decontamination chambers — multi-stage entry/exit decontamination
• Art installations — interspersed throughout, some visible from the corridors, some in dedicated rooms

Practical info

Address	Borci village, 10 km NE of Konjic
GPS	43.6343, 17.9949
Hours	Tue–Sun · tours at 10:00, 12:00, 14:00, 16:00 (closed Mondays)
Entry	€15 / 30 KM adult · €8 / 16 KM child · free under 7 — cash only
Tour duration	90 minutes
Inside temperature	Constant ~17 °C year-round — bring a light jacket
Photography	Yes, no flash
Wheelchair	Partial — main level accessible, lower levels stairs only
Booking	Recommended in summer · [email protected] · +387 36 736 700

How to combine

The bunker itself is half a day. Common combinations:

• Konjic Old Bridge + lunch — 30 min back into Konjic town for the bridge and a meal at Restaurant Han or Garden. Total day: ~6 hours.
• Tito’s Bunker tour from Konjic — our standalone €35 tour with station pickup (the simplest way to do the bunker without renting a car).
• Tito’s Bunker + Neretva rafting — full-day adventure combination. Bunker in the morning, rafting in the afternoon. €145.
• Add to Sarajevo day trip — our Sarajevo to Mostar day tour can include a 90-minute bunker stop on request, +€10/person. Adds 1 hour to the day.

Background reading before you go

The bunker is impressive on its own, but if you have an hour before the visit it’s worth reading up on the history:

• The bunker was Tito’s personal pet project — he reportedly checked construction progress every six months
• Workers signed lifetime NDAs; the existence of the bunker was a Yugoslav state secret comparable to nuclear-weapons programmes elsewhere
• Yugoslavia’s strategic position (between NATO and the Warsaw Pact) made it a likely first target in any European nuclear exchange — the bunker was a serious attempt at continuity-of-government
• During the 1992–1995 Bosnian War, the bunker was held by the Yugoslav People’s Army, who planned to destroy it on withdrawal. Local Bosnian engineers refused to detonate the explosives, saving the structure intact

For the depth of how surreal this all is, plan to spend at least a couple of hours after the tour just sitting at one of Konjic’s riverside cafés, processing what you saw.