NBC News wrote, citing senior Administration officials, that several possible venues had been ruled out, including Pyongyang, Beijing and the Mongolian capital Ulan Bator, all for security reasons.
“US officials are instead pushing for a more neutral location, preferably in Europe, with Switzerland among the top choices,” NBC wrote.
Bloomberg News earlier reported that Sweden was another neutral location currently under consideration.
President Trump said on Wednesday that he would be meeting with Kim Jong-un within the next few weeks.
Trump said that his CIA director and pick for Secretary of State, Mike Pompeo, had traveled to North Korea for preliminary talks with Kim early this month.
Mike Pompeo met with Kim Jong Un in North Korea last week. Meeting went very smoothly and a good relationship was formed. Details of Summit are being worked out now. Denuclearization will be a great thing for World, but also for North Korea!— Donald J. Trump (@realDonaldTrump) 18 апреля 2018 г.
Trump also said that the White House was exploring five locations ahead of the proposed summit, which is on track to take place in late May or early June.
He added, however, that he wouldn't take part in the meeting unless it is likely to bear fruit.
It will be the first meeting of a sitting US president and a sitting North Korean head of state since the end of the 1950-1953 Korean War.
Denuclearization of the Korean Peninsula is expected to take center stage during the upcoming US-North Korean summit.
Washington is demanding that Pyongyang stick to its promise of ceasing all ballistic missile and nuclear tests.
On Tuesday, a South Korean delegation announced that Kim Jong-un had confirmed his commitment to the demilitarization of the Korean Peninsula and was willing to put on pause all nuclear tests and missile launches during the talks.
Tensions on the Korean Peninsula shot up dramatically last year due to the North's nuclear activity, which led to the United Nations Security Council imposing its toughest ever sanctions on the country.